/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package multiface.kooper.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import multiface.kooper.jpa.Answer;
import multiface.kooper.jpa.Question;
import multiface.kooper.jpa.User;
import multiface.web.Util;

/**
 *
 * @author Diego64
 */
@WebServlet(name = "AddAnsweerServlet", urlPatterns = {"/AddAnsweerServlet"})
public class AddAnsweerServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            EntityManagerFactory emf = Persistence.createEntityManagerFactory("KooperPU");
            EntityManager em = emf.createEntityManager();
            
            em.getTransaction().begin();
            
            
            Answer a = new Answer();
            a.setData(System.currentTimeMillis());
            a.setText(Util.convertFromUTF8(request.getParameter("textarea")));
            a.setQuestion(em.find(Question.class, Long.parseLong(request.getParameter("idquestion"))));
            a.setUser(((User) request.getSession().getAttribute("user")));
            
            em.persist(a);
            
            em.getTransaction().commit();
            
            em.close();
            emf.close();
            
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
